/*
	Ajanta - Java Linear Programming Library

	Copyright 2010 Raghu Kaippully.

	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at

    	http://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.
*/

package logic.simplex.solver.internal.simplex;

import logic.simplex.model.LPSolution;
import logic.simplex.model.LPVariable;

/**
 * @author rkaippully
 *
 */
public class LPSolutionImpl implements LPSolution {

	private Tableau tableau;

	/**
	 * @param tableau
	 */
	public LPSolutionImpl(Tableau tableau) {
		this.tableau = tableau;
	}

	/* (non-Javadoc)
	 * @see net.sf.ajanta.model.LPSolution#getObjectiveFunctionValue()
	 */
	public double getObjectiveFunctionValue() {
		return tableau.getSolutionValue(tableau.objectiveFunctionVariable);
	}

	/* (non-Javadoc)
	 * @see net.sf.ajanta.model.LPSolution#getSolution(net.sf.ajanta.model.LPVariable)
	 */
	public double getSolution(LPVariable variable) {
		return tableau.getSolutionValue(variable);
	}
}
